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Old 05-28-2004, 11:02 AM   #39
ivan308
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Join Date: Oct 2003
Location: Miami, FL
Posts: 11
My Ride: Boxster S soon 330CI
Any issue with switching between BMW Castrol and Mobil 1

OK I plan on changing my oil myself in between the changes provided by the dealer/maintenance plan. Obviously the dealer is going to use the Castrol BMW. From your article you suggest the Mobil 1 over the Castrol. If I use the Mobil 1 for one change and the dealer uses the Castrol for the next etc etc etc are there any issues with alternating oils ?
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